1299| 8
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板子厚度和沉孔的關系 |
點評
30kg我用過7mm板,只是沒有用沉頭孔,唯一要考慮的是板厚減去沉孔深度后的厚度
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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